TriliumNext Notes for Mac

TriliumNext — A tree-based note app for macOS

TriliumNext is a free note management tool for macOS that organizes information in a hierarchical, tree-like layout. It’s built to help you structure large amounts of content so you can find and connect items quickly while keeping everything in a clear outline.

Main capabilities

• Links between notes to create cross-references and easy navigation across your knowledge base
• Rich text editing for formatted content, lists, and inline styling
• Tagging support so you can classify and filter content beyond the tree structure

Additional functionality

• Attachments support so files can be stored alongside your notes
• Robust search to locate content fast across titles and note bodies
• Built-in history/versioning to recover earlier states of notes when needed

Who it’s good for

Students, researchers, and professionals who manage many interrelated notes will benefit most from TriliumNext. Its combination of structured organization, search tools, and file attachments makes it a practical option for long-term projects, literature reviews, and knowledge collection.

Free alternative to consider

A free option mentioned as an alternative is PHD2. Note that PHD2 is free as well, but it serves a different niche, so verify whether its features match your note-taking needs before switching.